In part one (How to Upgrade and Maintain Your Airsoft Replica), we examined the compression chain components, which was the easy part. Now we dive into Drive Train Components. Here things can get a little complex as rarely can you upgrade just one item without having to strengthen others as well. This section will be broken down into two parts: Mechanical and Electrical.

Well, I'm back to the drawing board as they say...I got my MP5 all back together. During my testing I seemed to have stripped something in the gearbox.
It's time to take it all back apart and look to see what the damage is. Luckily for me I have another full set of upgraded gears for a ver. 2 gearbox.
The goal for my MP5 is to use it as a support weapon when I carry the Black Pearl (Sniper). I h...